Guenther Lehnert

Title: Guenther Lehnert: Innovator in Polymer Chemistry

Introduction

Guenther Lehnert is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of polymer chemistry, particularly through his innovative work on polyoctenamers. His research has implications for various applications in materials science.

Latest Patents

Lehnert holds a patent for the "Polymerisation of cyclooctene - Polyoctenamers." This invention involves a process where more than 80% of the C=C-double bonds are in the cis-configuration. The resulting polyoctenamers exhibit a second order transition temperature of approximately -90°C, a crystallisation temperature ranging from -30°C to +10°C, and a melting point between +10°C and +40°C. The production process involves polymerising cyclooctene, and optionally up to 20% by weight of another cyclic olefin, in an inert organic solvent at temperatures from -50°C to +10°C in the presence of a catalyst.

Career Highlights

Lehnert is associated with Bayer Aktiengesellschaft, a leading global company in the chemical and pharmaceutical sectors. His work at Bayer has allowed him to explore and develop advanced materials that contribute to the company's innovative portfolio.

Collaborations

Throughout his career, Lehnert has collaborated with esteemed colleagues such as Dieter Maertens and Gottfried Pampus. These collaborations have fostered a productive environment for research and development in polymer science.

Conclusion

Guenther Lehnert's contributions to polymer chemistry, particularly through his patented work on polyoctenamers, highlight his role as an influential inventor in the field. His ongoing research continues to impact the development of advanced materials.